Anybody knows a website to download free anti-spyware programme which is trustworthy?

plus adware,trojan,and hacker

Anybody knows a website to download free anti-spyware programme which is trustworthy?norton antivirus 2007

http://www.spybot.info/

http://www.lavasoft.com

Anybody knows a website to download free anti-spyware programme which is trustworthy?product key

try this

www.filehippo.com
www.spybot.com
I like AdAware that also cleans up cookies and other nonesential windows junk files:

www.lavasoft.de/software/adaware/

You can also do a check for updates every time you run it.